Index: head/sys/kern/subr_param.c
===================================================================
--- head/sys/kern/subr_param.c
+++ head/sys/kern/subr_param.c
@@ -149,6 +149,7 @@
 	"hv",
 	"vmware",
 	"kvm",
+	"bhyve",
 	NULL
 };
 CTASSERT(nitems(vm_guest_sysctl_names) - 1 == VM_LAST);
Index: head/sys/sys/systm.h
===================================================================
--- head/sys/sys/systm.h
+++ head/sys/sys/systm.h
@@ -76,7 +76,7 @@
  * Keep in sync with vm_guest_sysctl_names[].
  */
 enum VM_GUEST { VM_GUEST_NO = 0, VM_GUEST_VM, VM_GUEST_XEN, VM_GUEST_HV,
-		VM_GUEST_VMWARE, VM_GUEST_KVM, VM_LAST };
+		VM_GUEST_VMWARE, VM_GUEST_KVM, VM_GUEST_BHYVE, VM_LAST };
 
 #if defined(WITNESS) || defined(INVARIANT_SUPPORT)
 void	kassert_panic(const char *fmt, ...)  __printflike(1, 2);
Index: head/sys/x86/x86/identcpu.c
===================================================================
--- head/sys/x86/x86/identcpu.c
+++ head/sys/x86/x86/identcpu.c
@@ -1282,6 +1282,8 @@
 				vm_guest = VM_GUEST_HV;
 			else if (strcmp(hv_vendor, "KVMKVMKVM") == 0)
 				vm_guest = VM_GUEST_KVM;
+			else if (strcmp(hv_vendor, "bhyve bhyve") == 0)
+				vm_guest = VM_GUEST_BHYVE;
 		}
 		return;
 	}